Induction of Betalain Pigmentation in Hairy Roots of Red Beet under Different Radiation Sources |
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Authors: | K.S. Shin H.N. Murthy J.W. Heo K.Y. Paek |
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Affiliation: | (1) Department of Agronomy, National Taiwan University, Taipei, 106, Taiwan, Republic of China |
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Abstract: | The effects of aluminum on lipid peroxidation and activities of antioxidative enzymes were investigated in detached rice leaves treated with 0 to 5 mM AlCl3 at pH 4.0 in the light. AlCl3 enhanced the content of malondialdehyde but not the content of H2O2. Superoxide dismutase activity was reduced by AlCl3, while catalase and glutathione reductase activities were increased. Peroxidase and ascorbate peroxidase activities were increased only after prolonged treatment, when toxicity occurred. The results give evidence that Al treatment caused oxidative stress and in turn, it caused lipid peroxidation. |
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Keywords: | Oryza sativa oxidative stress |
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